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TPA2036D1 Datasheet(PDF) 13 Page - Texas Instruments |
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TPA2036D1 Datasheet(HTML) 13 Page - Texas Instruments |
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Gain 1 + V O V I1 + 2 x 150 kW R I1 V V (6) Gain 2 + V O V I2 + 2 x 150 kW R I2 V V (7) C I2 + 1 2p R I2 f c2 (8) C I2 u 1 2p 150kW 20Hz (9) C I2 u 53 nF (10) _ + IN- IN+ PWM H- Bridge VO+ VO- Internal Oscillator CS To Battery VDD GND Bias Circuitry RI2 RI2 Differential Input 1 Filter-Free Class D SHUTDOWN RI1 RI1 Single-Ended Input 2 CI2 CI2 TPA2036D1 www.ti.com.............................................................................................................................................................................................. SLOS589 – OCTOBER 2008 If summing a ring tone and a phone signal, the phone signal should use a differential input signal while the ring tone might be limited to a single-ended signal. Phone gain is set at gain 1 = 0.1 V/V, and the ring-tone gain is set to gain 2 = 2 V/V, the resistor values would be… RI1 = 3 MΩ, and = RI2 = 150 kΩ. The high pass corner frequency of the single-ended input is set by CI2. If the desired corner frequency is less than 20 Hz... Figure 31. Application Schematic With TPA2036D1 Summing Differential Input and Single-Ended Input Signals Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 13 Product Folder Link(s): TPA2036D1 |
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